The influence of water quality on hyporheic invertebrate communities in agricultural catchments
作者： Samuel Kibichii , Hugh B. Feeley , Jan-Robert Baars , Mary Kelly-Quinn
DOI: 10.1071/MF14214
关键词: Hydrology (agriculture) 、 Species richness 、 Ecology 、 Water quality 、 Riparian zone 、 Water resources 、 Water pollution 、 River ecosystem 、 Hydrology 、 Habitat
摘要: Despite knowing that agricultural practices affect river ecosystems, studies on water quality and associated hyporheic invertebrate communities are rare. Yet such knowledge is essential for sustainable use of resources. This study, carried out in the region south-eastern Ireland Spring 2007, examined effect pollution fauna. Six sites known were assigned to two treatments, namely, clean polluted rivers. Two habitats, below wetted channel (hyporheic substream) exposed gravel bank (parafluvial), sampled within each treatment. Total densities richness, crustacean Ephemeroptera, Plecoptera Trichoptera (EPT) significantly reduced parafluvial habitats. A higher recorded concentration nitrate substream habitats was a significant factor determining assemblages, with reductions total densities, EPT richness. Similarly, density richness likely being related intensity, management riparian buffering. study highlights direct effects emphasises need holistic conservation measures ensure future protection.
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